15 citations · 44 across the 15 of their papers we have counts for
15 papers
Novel Asymmetrical High-Resolution and High-Sensitivity Brain Dedicated PET system: Design optimization and performance evaluation
Yuemeng Feng, Lisa Blackberg, Arkadiusz Sitek +1
Objective. This study investigates the best achievable performance of a brain-dedicated PET system with high resolution and sensitivity by evaluating different detector configurati…
Maximum-Likelihood--Based Position Decoding of Laser Processed Converging Pixel CsI: Tl Detectors for High-Resolution SPECT
Xi Zhang, Arkadiusz Sitek, Lisa Blackberg +3
This study demonstrates the feasibility of a novel fabrication technique for high spatial resolution CsI: Tl scintillation detectors tailored for single photon emission computed to…
Towards Integrated Clinical-Computational Nuclear Medicine
Faraz Farhadi, Shadi A. Esfahani, Fereshteh Yousefirizi +7
The field of Clinical-Computational Nuclear Medicine is rapidly advancing, fueled by AI, tracer kinetic modeling, radiomics, and integrated informatics. These technologies improve…
Flexible and Generic Framework for Complex Nuclear Medicine Scanners using FreeCAD/GDML Workbench
Anh Le, Amirreza Hashemi, Mark P. Ottensmeyer +1
The design of nuclear imaging scanners is crucial for optimizing detection and imaging processes. While advancements have been made in simplistic, symmetrical modalities, current r…
Collimator-less SPECT System Design for Dynamic Whole-body Imaging
Yuemeng Feng, Arkadiusz Sitek, Shadi Abdar Esfahani +1
In this study, we introduce a Compton SPECT system for whole-body imaging of Actinium-225 (225Ac), one of the trending radionuclides for targeted alpha therapy (TAT). The Compton S…
A novel perspective on denoising using quantum localization with application to medical imaging
Amirreza Hashemi, Sayantan Dutta, Bertrand Georgeot +2
Background noise in many fields such as medical imaging poses significant challenges for accurate diagnosis, prompting the development of denoising algorithms. Traditional methodol…
Limited-angle TOF-PET for intraoperative surgical applications: Simulation Study
Salar Sajedi, Yuemeng Feng, Hamid Sabet
In this work, we present modeling and imaging performance of a dual panel limited-angle TOF-PET system for intraoperative surgical applications using GATE monte carlo toolkit. Seve…
Large Diameter Bulk Crystal Growth and Scintillation Characterization of Thallium-Based Ternary Halide Crystals for Detection and Imaging
Rastgo Hawrami
Scintillators cover an important wide range of applications in detection and imaging. In this paper we are presenting growth and performance results of several advanced large diame…
Application of Spherical Convolutional Neural Networks to Image Reconstruction and Denoising in Nuclear Medicine
Amirreza Hashemi, Yuemeng Feng, Arman Rahmim +1
This work investigates use of equivariant neural networks as efficient and high-performance frameworks for image reconstruction and denoising in nuclear medicine. Our work aims to…
Controlling solar radiation forces with graphene in plasmonic metasurface
Sina Soleymani, Sevda Seyyedmasoumian, Asma Attariabad +3
Controlling and harvesting solar radiation pressure is a significant challenge, however, there are few potential solutions, which are suitable for several key applications. In this…
Resolution recovery on list mode MLEM reconstruction for Dynamic Cardiac SPECT system
Yuemeng Feng, William Worstell, Matthew Kupinski +2
The Dynamic Cardiac SPECT (DC-SPECT) system is being developed at the Massachusetts General Hospital, featuring a static cardio focus asymmetrical geometry enabling simultaneous hi…
Growth and Evaluation of Improved CsI:Tl and NaI:Tl Scintillators
R. Hawrami, A. Farsoni, H. Sabet +1
Scintillators play an important role in radiation detection and imaging. Thallium-doped cesium iodide (CsI:Tl) and sodium iodide (NaI:Tl) are two of the major scintillators that ha…
Limited-angle TOF-PET for intraoperative surgical applications: proof of concept and first experimental data
S. Sajedi, L. Blackberg, S. Majewski +1
Intraoperative Gamma Probe (IPG) remains the current gold standard modality for sentinel lymph node identification and tumor removal in cancer patients. However, even alongside the…
A layered single-side readout DOI TOF-PET detector
L. Bläckberg, S. Sajedi, G. El Fakhri +1
We are exploring a scintillator-based detector with potential of high sensitivity, DOI capability and timing resolution in a single-side readout configuration. Our concept combines…
Simulation study of light transport in laser-processed LYSO:Ce detectors with single-side readout
Lisa Bläckberg, Georges El Fakhri, Hamid Sabet
A tightly focused pulsed laser can locally modify the crystal structure inside the bulk of a scintillator. The result is incorporation of so-called optical barriers with a refracti…